MENASHA, Wis. — The Menasha Water Filtration plant was in the direct path of the EF-3 tornado that ripped through parts of the Fox Valley Monday. TMJ4 News The Menasha Water Filtration plant was in the direct path of the EF-3 tornado that ripped through parts of the Fox Valley Monday. From the shelter, Smith and his staff watched the destruction unfold in real time through the plant's security camera footage. Watch: Water plant employees describe terrifying moments an EF-3 tornado hit MenashaWater treatment plant hit by tornado"We actually watched the tree across the street land on my truck," Smith explained. TMJ4 News The Menasha Water Filtration plant was in the direct path of the EF-3 tornado that ripped through parts of the Fox Valley Monday.